/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.flink.streaming.statistics.taskmanager.qosreporter.listener;

import org.apache.flink.streaming.statistics.types.TimeStampedRecord;

/**
 * Callback interface used by the
 * {@link org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate}
 * to signal that a new record has been received.
 * 
 * @author Bjoern Lohrmann
 * 
 */
public interface InputGateQosReportingListener {

	void recordReceived(int inputChannel, TimeStampedRecord record);

	void tryingToReadRecord();

	void inputBufferConsumed(int channelIndex, long bufferInterarrivalTimeNanos);
}
